Always helpful Daniel Does it matter which slot I have the RAM in?
Tim's red iPhone > On 29 Oct 2020, at 9:12 pm, Daniel Kerr <dan...@macwizardry.com.au> wrote: > > Hi Tim > > When you removed and replaced the RAM, did you put it all back or test it > separately? > That would be one check, is just run it on one stick of RAM at a time. It > will be slow, but this can narrow down if a stick is faulty. > > Also, you can check the drive as well to ensure that’s ok. > I recommend the following SMART Utility. (You can run it in Shareware mode) > https://www.volitans-software.com/apps/smart-utility/ > This will check the drives and advise is “Passed” (green), “Failing” (orange) > or “Failed” (red). It works with Fusion Drives as well and will test both HDD > and SSD separately. > I’ve used it to find faulty drives even before Apple Disk Utility finds them. > So it’s a good little tool. > > That would be my first things to try anyway, just to rule out a stick of RAM > and drive is ok. > Also try an SMC reset and PRAM reset. (I have steps on my FAQ page of my > website if you’re not familiar with that. > > Try those and see how you go. > If no success, and seeing you’re up Duncraig way I’d recommend MacWorx > Joondalup. (Delage Street, Joondalup) - www.macworx.com.au > > Hope something there helps. > Kind regards > Daniel > > Sent from my iPhone 12 Pro > > --- > Daniel Kerr > MacWizardry > > Phone: 0414 795 960 > Email: <daniel AT macwizardry.com.au> > Web: <http://www.macwizardry.com.au> > > > **For everything Apple** > > NOTE: Any information provided in this email may be my personal opinion and > as such should be taken accordingly, and may not be the views of MacWizardry. > Any information provided does not offer or warrant any form of warranty or > accept liability. It would be appreciated that if any information in this > email is to be disseminated, distributed or copied, that permission by the > author be requested. > >> On 29 Oct 2020, at 8:39 pm, Tim Law <t...@peoplehelp.com.au> wrote: >> >> Hello folks. >> >> I have an unhappy iMac (Retina 5K, 27-inch, 2017) >> 40Gb RAM >> 10.15.7 >> >> >> Problem is random restarts. >> First symptom is the mouse freezes then about 30 seconds later the computer >> turns off and restarts. This happens enough to be very annoying, and has >> occurred whilst I was drafting this message. >> >> The problem first occurred after I had transported the computer, screen >> down, on the seat of my car. No physical external damage is apparent. >> >> >> Problem does occur in Safe Boot mode, though not as frequently as in normal >> mode. >> >> EtreCheck shows nothing out of order >> Rebooting into recovery mode and running both Disk Utility and reload latest >> operating system have been done. >> >> *** MCA Error Report *** >> CPU Machine Check Architecture Error Dump (CPU: Intel(R) Core(TM) i5-7500 >> CPU @ 3.40GHz, CPUID: 0x906E9) >> CATERR detected! No MCA data found. >> >> >> I had assumed it was a hardware problem triggered by moving the machine but >> nothing is showing up in any errors that I have seen. I have removed and >> replaced the RAM. When running, it functions normally as expected. >> >> Any thoughts on what else I could do before taking it to the doctor? >> Which doctor is recommended. >> I live in Duncraig area. >> >> >> >> Thanks >> >> >> >> >> >> -- The WA Macintosh User Group Mailing List -- >> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> >> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> >> Settings & Unsubscribe - >> <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug> > > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> > Settings & Unsubscribe - > <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug> -- The WA Macintosh User Group Mailing List -- Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> Settings & Unsubscribe - <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>